168322380 has 48 divisors (see below), whose sum is σ = 487559520. Its totient is φ = 43337728.

The previous prime is 168322373. The next prime is 168322397. The reversal of 168322380 is 83223861.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46629 + ... + 50108.

It is an arithmetic number, because the mean of its divisors is an integer number (10157490).

Almost surely, 2^168322380 is an apocalyptic number.

168322380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

168322380 is an abundant number, since it is smaller than the sum of its proper divisors (319237140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

168322380 is a wasteful number, since it uses less digits than its factorization.

168322380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96778 (or 96776 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 168322380 is about 12973.9115150366. The cubic root of 168322380 is about 552.1375549863.

The spelling of 168322380 in words is "one hundred sixty-eight million, three hundred twenty-two thousand, three hundred eighty".